<form action="<?php echo url_for('@sf_guard_signin') ?>" method="post">
<br><br><br><br>
  <table bgcolor="#3063ff" width="40%" height="80%" cellspacing="10">
    <thead align="center">
        <h2>Authentification</h2>
    </thead>
     <td><?php echo $form ?></td>
 
 </table>

<input type="submit" value="se connecter" />
  

</form>
